Isosorbide 5-mononitrate is a new long-term anti-angina cardiovascular drug used for clinical treatment of angor pectoris.5-ISMN is an in vivo metabolite of isosorbide dinitrate, did not show the first pass effect of hepar. This thesis studied a new synthetic process of isosorbide 5-mononitrate.
The starting material sorbitol was dehydrated to obtain isosorbide. The isosorbide obtained was purified by the activated carbon filtration, then treated with nitration, neutralization, de-salting and hydrolysis...